CN111717225A

CN111717225A - Single track crane pin tooth drive arrangement and hybrid drive single track hang

Info

Publication number: CN111717225A
Application number: CN202010577494.5A
Authority: CN
Inventors: 王辉; 张忠海; 赵继云; 刘玉涛; 宋雨; 徐杜临
Original assignee: Xuzhou XCMG Foundation Construction Machinery Co Ltd
Current assignee: Xuzhou XCMG Foundation Construction Machinery Co Ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2020-09-29

Abstract

The invention discloses a single-track crane pin tooth driving device and a hybrid driving single-track crane, and belongs to single-track crane transportation equipment. The pin tooth driving device comprises a bracket body, a supporting plate, a transmission pin, a transmission shaft and a motor; a fluted disc matched with the transmission pin is fixedly arranged on the transmission shaft; the hybrid drive monorail crane mainly comprises a cab, a pull rod, a friction drive part, a pin tooth drive device, a power part of an integrated engine system, an auxiliary unit provided with electric control and hydraulic control elements and a rear cab. In the invention, the motor drives the fluted disc to be matched with the transmission pin of the track through the transmission shaft to provide driving force for the pin tooth driving device; the pin gear driving device and the friction driving part are mixed to pull the whole machine; the hybrid drive monorail crane with the pin gear transmission device and the friction driving portion can adapt to a large-gradient and multi-lodging roadway transportation environment, and greatly improves the underground auxiliary transportation efficiency of a coal mine.

Description

Single track crane pin tooth drive arrangement and hybrid drive single track hang

Technical Field

The invention relates to a monorail crane, in particular to a monorail crane pin tooth driving device and a hybrid driving monorail crane.

Background

The monorail crane is auxiliary transportation equipment which is strong in mobility, high in running speed, large in load capacity, safe and reliable and runs on a suspended monorail system, can realize continuous and direct transportation without transshipment in a multi-slope, multi-turnout and multi-branch roadway, is not influenced by deformation of a roadway bottom plate, accumulated water or material accumulation, and is widely applied to coal mines at present, for example, the mining explosion-proof diesel-powered monorail crane (CN 203740905U) disclosed by Chinese patent.

The gear drive is a transmission unit for use in monorail cranes, and chinese patent discloses a gear drive (CN 110626944A) for use in monorail cranes, comprising: a driving frame adapted to provide an installation space; the bearing wheel sets are arranged on the driving frame in pairs and are suitable for clamping the I-shaped monorail; the gearbox comprises a box body, a transmission shaft and a transmission gear, and the box body is arranged on the driving frame; the transmission shaft is erected on the box body; the transmission gear is sleeved on the transmission shaft, and one side of the transmission gear extends out of the box body and is meshed with the latch on the lower surface of the I-shaped monorail; the power assembly is arranged on one side of the gear box and is connected with the transmission gear; the transmission gear is suitable for driving the transmission gear to rotate.

The existing gear rack transmission monorail crane has the following disadvantages:

firstly, the cutting precision of the gear rack transmission is high, all racks need to be subjected to finish machining, the manufacturing process is complex, and the cost is high;

and secondly, the underground environment is severe, the cleanliness is poor, the worn rack is difficult to replace, the whole rack is generally replaced due to the longer rack, and the maintenance cost of the monorail crane is increased.

And thirdly, the gear and rack are driven independently at a low speed, are only suitable for large-gradient operation working conditions, are poor in adaptability, are not suitable for roadway transportation with multiple fluctuation in flat ground working conditions and climbing working conditions, and lack of flexibility of friction driving.

Disclosure of Invention

In order to solve the technical problems, the invention provides a pin tooth driving device of a monorail crane and a hybrid driving monorail crane.

The invention is realized by the following technical scheme: a pin tooth driving device of a monorail crane comprises a support body which is hoisted on a track through a roller device; opposite supporting plates are fixed below the track, and uniformly distributed driving pins are arranged between the two supporting plates; a transmission shaft is rotatably arranged in the bracket body, and a motor connected with the transmission shaft is fixed on one side of the bracket body; and a fluted disc is fixedly arranged on the transmission shaft, and teeth on the fluted disc are engaged with the transmission pin under the track in a matching way.

It further comprises the following steps: the front end of the bracket body is fixedly connected with a front traction pin base, and the rear end of the bracket body is fixedly connected with a rear traction pin base.

The outer end of the transmission shaft is provided with a bearing, a bearing seat is arranged outside the bearing, and the bearing seat is fixedly connected with the bracket body; the outer end of the transmission shaft is provided with an end cover which is fixed on one side of the bracket body.

The track is I-shaped steel.

A pair of connecting plates extends from the upper side of the bracket body, and two pairs of roller devices are arranged between the two connecting plates; and the two pairs of roller devices are symmetrically arranged on two sides of the track in a rolling manner.

A hybrid drive monorail crane is characterized in that a front cab, a pull rod, a friction drive portion, a pin tooth drive device, a power portion, an auxiliary unit and a rear cab are connected with one another from front to back on a track.

The invention solves the problems of complex structure, difficult processing and poor flexibility of the existing crane driving device, and has the beneficial effects that:

1. the hybrid drive monorail crane greatly improves the underground auxiliary transportation efficiency of a coal mine by effectively combining friction drive and pin tooth drive.

2. The straight roadway is used for auxiliary transportation, and traction is driven by friction, so that the traction speed and maneuverability of the whole machine are greatly improved.

3. Under the tunnel transportation environment of heavy grade and many lifts and lodge, friction drive portion and round pin tooth drive arrangement intervene simultaneously, can prevent that the complete machine from skidding and also can improve the transport speed of complete machine greatly.

4. The processing of the track can be directly modified by welding standard I-steel and common plates, and the pin tooth transmission structure is simple, convenient to process, low in cost, high in use economy and convenient to replace.

Drawings

FIG. 1 is a front view of a monorail hoist pin teeth drive assembly in accordance with an embodiment of the present invention;

FIG. 2 is a left side view of a monorail hoist pin teeth drive of the present invention;

FIG. 3 is a front view of a track according to an embodiment of the present invention;

FIG. 4 is a left side view of a track according to an embodiment of the present invention;

FIG. 5 is an assembly view of a hybrid-drive monorail crane according to a second embodiment of the present invention;

in the figure: 1. a front cab; 2. a pull rod; 3. a friction drive section; 4. a pin gear drive; 5. a power section; 6. an auxiliary unit; 7. a rear cab; 8. a front traction pin boss; 9. a stent body; 10. a rear towing pin boss; 11. a bearing seat; 12. a roller device; 13. a drive shaft; 14. a fluted disc; 15. a drive pin; 16. a track; 17. an end cap; 18. and a bearing.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example one

Referring to fig. 3 and 4, the rail 16 is an i-shaped steel, opposite support plates are fixed below the rail 16, and drive pins 15 are uniformly distributed between the two support plates.

Referring to fig. 1 and 2, the front end of the supporting frame 9 is fixedly connected with a front traction pin base 8, and the rear end of the supporting frame 9 is fixedly connected with a rear traction pin base 10. A pair of connecting plates extends from the upper side of the bracket body 9, and two pairs of roller devices 12 are arranged between the two connecting plates; two pairs of roller devices 12 are symmetrically arranged on two sides of the track 16 in a rolling mode. A transmission shaft 13 is rotatably arranged in the bracket body 9, and a motor 19 is fixed on one side of the bracket body 9. The inner end of the transmission shaft 13 is connected with a motor 19, the outer end of the transmission shaft 13 is provided with a bearing 18, a bearing seat 11 is arranged outside the bearing 18, and the bearing seat 11 is fixedly connected with the bracket body 9. An end cover 17 is arranged at the outer end of the transmission shaft 13, and the end cover 17 is fixed at one side of the bracket body 9. A toothed disc 14 is fixedly mounted on the transmission shaft 13, and teeth on the toothed disc 14 are engaged with a transmission pin 15 under the track 16.

Example two

On the basis of the first embodiment, and as shown in the attached drawing 5, a front cab 1, a pull rod 2, a friction driving part 3, a pin tooth driving device 4, a power part 5, an auxiliary unit 6 and a rear cab 7 are connected with each other from front to rear on a track 16.

The embodiment shows that the motor drives the fluted disc to be matched with the connecting pin of the track through the transmission shaft to provide the driving force of the driving device, and the pin tooth driving device drives the pull rod to carry out single traction or mixed traction with friction drive; the monorail crane with the pin tooth transmission solves the problem that the friction wheel drives to slip during large-inclination-angle transportation. The processing of the track can be directly spliced and welded by standard I-shaped steel and steel plates, and the pin tooth transmission structure is simple, convenient to process, low in cost, high in use economy and convenient to replace. The problems of complex structure and difficult processing of the conventional crane driving device are solved.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.

Claims

1. A pin tooth driving device of a monorail crane comprises a bracket body (9) which is hoisted on a track (16) through a roller device (12);

the method is characterized in that:

opposite supporting plates are fixed below the track (16), and uniformly distributed driving pins (15) are arranged between the two supporting plates;

a transmission shaft (13) is rotatably arranged in the bracket body (9), and a motor (19) connected with the transmission shaft (13) is fixed on one side of the bracket body (9); a fluted disc (14) is fixedly arranged on the transmission shaft (13), and teeth on the fluted disc (14) are engaged with a transmission pin (15) below the track (16) in a matching way.

2. A monorail trolley pin teeth drive as defined in claim 1, wherein: the front end of the support body (9) is fixedly connected with a front traction pin base (8), and the rear end of the support body (9) is fixedly connected with a rear traction pin base (10).

3. A monorail trolley pin teeth drive as defined in claim 1, wherein: a bearing (18) is installed at the outer end of the transmission shaft (13), a bearing seat (11) is arranged outside the bearing (18), and the bearing seat (11) is fixedly connected with the bracket body (9); an end cover (17) is arranged at the outer end of the transmission shaft (13), and the end cover (17) is fixed on one side of the support body (9).

4. A monorail trolley pin teeth drive as defined in claim 1, wherein: the rail (16) is H-shaped steel.

5. A monorail trolley pin teeth drive as defined in claim 1, wherein: a pair of connecting plates extend from the upper side of the support body (9), and two pairs of roller devices (12) are arranged between the two connecting plates; two pairs of roller devices (12) are symmetrically arranged on two sides of the track (16) in a rolling way.

6. A hybrid drive monorail crane employing the monorail crane pin-tooth drive arrangement of any one of claims 1 to 5, wherein: and a front cab (1), a pull rod (2), a friction driving part (3), a pin tooth driving device (4), a power part (5), an auxiliary unit (6) and a rear cab (7) which are connected are arranged on the track (16) from front to back.